Acknowledgements
The preparation of this Special Issue was an interesting challenge which gave us a better insight into the status of and deficiencies in this technical area and which will definitely inspire new research activities.
To start with, our thanks go to the authors for their valuable contributions and for their patience during the process of compilation and editing of this Special Issue. We also wish to express our gratitude to the reviewers for their time and efforts in providing invaluable comments.
Dr. Kash Mittal is gratefully acknowledged for offering us to act as guest editors of this Special Issue of the Journal of Adhesion Science and Technology.We extremely appreciated his continuous guidance and his careful final review of the manuscripts. Without his initiative and support, the preparation of this Special Issue would not have been possible.